Revert of Store mipmap levels in deferred texture image

include/core/SkImage.h

Index: include/core/SkImage.h
diff --git a/include/core/SkImage.h b/include/core/SkImage.h
index cc0f1f16553d014c8929b82f9f02d99fb904d372..fd20e5e0e521f712848be9bdd5d6d2c481d2cd99 100644
--- a/include/core/SkImage.h
+++ b/include/core/SkImage.h
@@ -396,9 +396,7 @@
     size_t getDeferredTextureImageData(const GrContextThreadSafeProxy&,
                                        const DeferredTextureImageUsageParams[],
                                        int paramCnt,
-                                       void* buffer,
-                                       SkSourceGammaTreatment treatment =
-                                       SkSourceGammaTreatment::kIgnore) const;
+                                       void* buffer) const;
 
     /**
      * Returns a texture-backed image from data produced in SkImage::getDeferredTextureImageData.
@@ -471,7 +469,7 @@
 private:
     static sk_sp<SkImage> MakeTextureFromMipMap(GrContext*, const SkImageInfo&,
                                                 const GrMipLevel* texels, int mipLevelCount,
-                                                SkBudgeted, SkSourceGammaTreatment);
+                                                SkBudgeted);
 
     const int       fWidth;
     const int       fHeight;